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<p><b>Abstract</b>—Sharp edges, ridges, valleys, and prongs are critical for the appearance and an accurate representation of a 3D model. In this paper, we propose a novel approach that deals with the global shape of features in a robust way. Based on a remeshing algorithm which delivers an isotropic mesh in a feature-sensitive metric, features are recognized on multiple scales via integral invariants of local neighborhoods. Morphological and smoothing operations are then used for feature region extraction and classification into basic types such as ridges, valleys, and prongs. The resulting representation of feature regions is further used for feature-specific editing operations. </p>
Feature sensitivity, remeshing, morphology, feature extraction, feature classification, feature editing.
Shi-Min Hu, Qian-Yi Zhou, Yu-Kun Lai, Johannes Wallner, Helmut Pottmann, "Robust Feature Classification and Editing", IEEE Transactions on Visualization & Computer Graphics, vol. 13, no. , pp. 34-45, January/February 2007, doi:10.1109/TVCG.2007.19
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